Bottom line: there is a little dust on the mountain.

Couplets vary in length, only one or two words are short; It can be hundreds of words long. There are various forms of couplets, such as pairs, pairs, flowing pairs, couplets, set sentence pairs and so on.

Extended data:

The role of couplets in daily life;

1, the role of education and culture.

2. The role of social interaction.

3. Enrich and reflect folk customs and adjust people's spiritual life.

4. The role of propaganda, struggle and advertising.

5. Enrich couplets and increase the accumulation of traditional culture.